/*
 * Copyright (c) 2014 pkzd/1.0, 颜文泽(robin)
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     1 Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     2 Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include        <fs.h>

int
stat(const char *pathname, struct stat *stbuf)
{
	struct inode *ip;

	if(!(ip = namei(pathname, 0, 0))){
		up->p_error = ENOENT;
		return -1;
	}
	stbuf->st_uid = ip->i_uid;
        stbuf->st_gid = ip->i_gid;
        stbuf->st_mode = ip->i_mode;
        stbuf->st_ino = ip->i_number;
        stbuf->st_dev = ip->i_addr[0];
        stbuf->st_size = ip->i_size;
        stbuf->st_atime = ip->i_atime;
        stbuf->st_mtime = ip->i_mtime;
        stbuf->st_ctime = ip->i_ctime;
        stbuf->st_nlink = ip->i_nlink;
	iput(ip);
	return 0;
}

int
fstat(int fd, struct stat *stbuf)
{
	struct file *fp;
	struct inode *ip;

	if(!((fp = up->p_ofile[fd]) && (ip = fp->f_inodep))){
                up->p_error = EBADF;
                return -1;
        }
	stbuf->st_uid = ip->i_uid;
	stbuf->st_gid = ip->i_gid;
	stbuf->st_mode = ip->i_mode;
	stbuf->st_ino = ip->i_number;
	stbuf->st_dev = ip->i_addr[0];
	stbuf->st_size = ip->i_size;
	stbuf->st_atime = ip->i_atime;
	stbuf->st_mtime = ip->i_mtime;
	stbuf->st_ctime = ip->i_ctime;
	stbuf->st_nlink = ip->i_nlink;
	return 0;
}
